hp pavilion dm4-1160us black screen while booting

Question

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My computer boots to a black screen, what options do I have to fix it?

After installing Ubuntu 12.04 on hp pavilion dm4-1160US, it first boots by showing a purple screen and goes into a black screen.

What could be happening please?

Answer 1

when the purple screen showing press enter and its setup 9.10.Before installition start press F6 and there is a new menu.In the menu select "nomodeset" and setup ubuntu normally.